2021 GMC Sierra SLT
VIN
3GTU9DET1MG245473
This 2021 GMC Sierra SLT is listed at $33,209 with 114,060 miles in Slidell, LA.
Market Price Range
Below market
$30,429
Typical price
$34,362
Above market
$41,216
Based on
32
comparable same-build listings.
below typical price
Market data as of July 26, 2026
Vehicle Decode
- Body
- Pickup
- Engine
- 3.0L · V6 · Diesel
- Drive
- 4WD/4-Wheel Drive/4x4
- Doors
- 4
- Made by
- GENERAL MOTORS LLC
Safety
- ✗ Backup camera
- ✗ Blind-spot monitor
- ✗ Lane departure
- ✗ ABS
- ✗ Electronic stability
Active listings
Full listing history on VehiSales →| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Legacy GMC | Slidell, LA 70469 | $33,209 | 114,060 mi | 2026-05-17 |
| Legacy GMC | Slidell, LA 70458 | $33,209 | 114,060 mi | 2026-05-16 |
| Legacy GMC | Slidell, LA 70458 | $33,209 | 114,060 mi | 2026-05-16 |
Former listings
| Dealer | Location | Price | Mileage | Listed |
|---|---|---|---|---|
| Legacy GMC | Slidell, LA 70469 | $33,299 | 114,059 mi | 2026-05-17 |
| Legacy GMC | Slidell, LA 70469 | $33,249 | 114,060 mi | 2026-05-17 |
| Legacy GMC | Slidell, LA 70469 | $33,224 | 114,060 mi | 2026-05-17 |
| Legacy GMC | Slidell, LA 70458 | $33,299 | 114,056 mi | 2026-05-16 |
| Legacy GMC of Slidell | Slidell, LA 70461 | $33,249 | 114,059 mi | 2026-05-16 |
| Legacy GMC of Slidell | Slidell, LA 70461 | $33,299 | 114,059 mi | 2026-05-16 |
| Legacy GMC of Slidell | Slidell, LA 39530 | — | 114,056 mi | 2026-05-16 |
| Legacy GMC of Slidell | Slidell, LA 39501 | $33,299 | 114,056 mi | 2026-05-16 |
| Legacy GMC | Slidell, LA 70458 | $33,299 | 114,056 mi | 2026-05-16 |
| Legacy GMC | Slidell, LA 70458 | $33,299 | 114,059 mi | 2026-05-16 |
| Legacy GMC of Slidell | Slidell, LA 70461 | $33,299 | 114,056 mi | 2026-05-16 |
| Legacy GMC | Slidell, LA 70458 | $33,299 | 114,059 mi | 2026-05-16 |
| Legacy GMC of Slidell | Slidell, LA 70461 | — | 114,056 mi | 2026-05-16 |
| Legacy GMC | Slidell, LA 70458 | $33,249 | 114,059 mi | 2026-05-16 |
| Legacy GMC | Slidell, LA 70458 | $33,249 | 114,060 mi | 2026-05-16 |
| Legacy GMC | Slidell, LA 70458 | $33,224 | 114,060 mi | 2026-05-16 |
| Legacy Buick GMC of Westbank | Harvey, LA 70058 | — | 87,519 mi | 2024-06-24 |
| — | — | 87 mi | 2024-06-23 | |
| Legacy Buick GMC of Slidell | Slidell, LA 70461 | $45,995 | 69,538 mi | 2023-03-19 |
| Walt Massey Chrysler Dodge Jeep Ram | Lucedale, MS 39452 | $51,099 | 2 mi | 2021-02-25 |
